package com.chujian.framework.core.tsdata;

import java.util.HashMap;

/**
 * 传输数据对象的元数据
 */
public class TsDataMeta extends HashMap<String, Object> {

    public TsDataMeta add(String key, Object val) {
        this.put(key, val);
        return this;
    }

    public Object getMetaData(String key) {
        return this.get(key);
    }
}
